Marine Biology Unit 1 - Sea Floor

The process by which the ocean floor sinks beneath a deep-ocean trench back into the mantle is known as...

• sea-floor spreading
• adding material to the ocean floor
• subduction
• continental drift

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

The land feature that happens when there is subduction is called a...

• mid-ocean ridge

• deep-ocean trench

• asthenosphere

• Renden's Ridge

Tags

NGSS.MS-ESS2-2

New crust is always formed at the...

• mid-ocean ridge
• deep-ocean trench
• asthenosphere

Sea-floor spreading begins at the 

• Deep ocean trench
• Mid-ocean ridge
• Continent's edge

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

What is the correct order (starting from the surface) of Earth’s layers?

• crust, outer core, inner core, mantle

• mantle, outer core, inner core, crust

• crust, mantle, outer core, inner core

• outer core, inner core, crust, mantle

Tags

NGSS.MS-ESS2-1

The place where two plates come together is known as a _______

• transform boundary.

• divergent boundary.

• convergent boundary.

• rift valley.

Tags

NGSS.MS-ESS2-3

What are the two types of crust

• continental and oceanic
• ocean and upper
• lower and upper
• pizza and subway

What is Pangaea?

• the name of a German scientist
• the name of the super-continent that existed millions of years ago
• another name for continental drift
• the name of an ancient fossil

Tags

NGSS.MS-ESS2-3

Plates slide past each other at ____________ boundaries.

• transform
• continental/continental convergent
• continental/oceanic convergent
• divergent

Tags

NGSS.HS-ESS1-5

What technology did scientists use in the mid-1900s to map the mid-ocean ridge?

• satellites

• deep-sea diving

• submarines

• sonar